colour.notation.munsell_value_ASTMD1535

colour.notation.munsell_value_ASTMD1535(Y)[source]

Returns the Munsell value \(V\) of given luminance \(Y\) using an inverse lookup table from ASTM D1535-08e1 method.

Parameters:Y (numeric or array_like) – luminance \(Y\)
Returns:Munsell value \(V\).
Return type:numeric or ndarray

Notes

Domain Scale - Reference Scale - 1
Y [0, 100] [0, 1]
Range Scale - Reference Scale - 1
V [0, 10] [0, 1]
  • The Munsell value* computation with ASTM D1535-08e1 method is only defined for domain [0, 100].

References

[ASTMInternational1989a]

Examples

>>> munsell_value_ASTMD1535(12.23634268)  # doctest: +ELLIPSIS
4.0824437...